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Finding the Fourth Proportional to 526.34, 789.73 and 294.88

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Solution

The fourth proportional to 526.34, 789.73 and 294.88 is: 442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.34 : 789.73 = 294.88 : x
  2. Step 2: Convert to fraction form
    526.34/789.73 = 294.88/x
  3. Step 3: Cross multiply
    526.34x = 789.73 × 294.88
  4. Step 4: Simplify right side
    526.34x = 232,875.58
  5. Step 5: Solve for x
    x = 232,875.58/526.34
  6. Step 6: Final answer
    x = 442.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.